| 摘要 |
In this circuit, the collector of TR is connected to the first terminal(T1), and the emitter is connected to the second terminal through R3. The base is connected to the first terminal through R1 and the second terminal(T2) through R2 simultaneously. The voltage applied to both two terminals is increased or decreased in accordance with the resistance change of three resistors, and it can be obtained the infinite impedance characteristic.
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